﻿// Python Tools for Visual Studio
// Copyright(c) Microsoft Corporation
// All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the License); you may not use
// this file except in compliance with the License. You may obtain a copy of the
// License at http://www.apache.org/licenses/LICENSE-2.0
//
// THIS CODE IS PROVIDED ON AN  *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS
// OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY
// IMPLIED WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
// MERCHANTABILITY OR NON-INFRINGEMENT.
//
// See the Apache Version 2.0 License for specific language governing
// permissions and limitations under the License.

using System;

namespace Microsoft.Python.Parsing {
    public static class NewLineKindExtensions {
        public static int GetSize(this NewLineKind kind) {
            switch (kind) {
                case NewLineKind.LineFeed: return 1;
                case NewLineKind.CarriageReturnLineFeed: return 2;
                case NewLineKind.CarriageReturn: return 1;
            }
            return 0;
        }

        public static string GetString(this NewLineKind kind) {
            switch (kind) {
                case NewLineKind.CarriageReturn: return "\r";
                case NewLineKind.CarriageReturnLineFeed: return "\r\n";
                case NewLineKind.LineFeed: return "\n";
            }
            throw new InvalidOperationException();
        }
    }
}
